Bylo Fajn

Recording by Petr Spálený.

Recording identifiers

ISRC
CZA167100390
CopyrightID (CopyrightChains transaction hash)
0xfe055c5ab8441e13c786471593ceeb3faa81afc0ccc631baf665a3a835acbadf
Copyright registration time
2026-07-31T09:39:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T09:50:37Z
Bitcoin block
960383
Canonical record hash
sha256:f891ed7a859e0e27cea5ce3e82f5512437b18443e2ac192f69397cfe5d2d245b

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.